The campaigning organisation Justice for Colombia is calling for urgent action to free two female trades unionists who have been in jail without trial for well over a year in the Latin American state.
There are hundreds of political prisoners in Columbia but five are being highlighted in a campaign of letter writing to the UK foreign secretary,
They include trades unionists Rosalba Gaviria and Liliany Obando.
More details and an e-card to send to William Hague
Red Pepper magazine on Latin America